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Tesfaye AT, Mashtalir O, Naguib M, et al. Anodized Ti3SiC2 As an Anode Material for Li-ion Microbatteries. ACS Appl Mater Interfaces. 2016;8(26):16670-6doi: 10.1021/acsami.6b03528.
Tesfaye, A. T., Mashtalir, O., Naguib, M., Barsoum, M. W., Gogotsi, Y., & Djenizian, T. (2016). Anodized Ti3SiC2 As an Anode Material for Li-ion Microbatteries. ACS applied materials & interfaces, 8(26), 16670-6. https://doi.org/10.1021/acsami.6b03528
Tesfaye, Alexander T, et al. "Anodized Ti3SiC2 As an Anode Material for Li-ion Microbatteries." ACS applied materials & interfaces vol. 8,26 (2016): 16670-6. doi: https://doi.org/10.1021/acsami.6b03528
Tesfaye AT, Mashtalir O, Naguib M, Barsoum MW, Gogotsi Y, Djenizian T. Anodized Ti3SiC2 As an Anode Material for Li-ion Microbatteries. ACS Appl Mater Interfaces. 2016 Jul 06;8(26):16670-6. doi: 10.1021/acsami.6b03528. Epub 2016 Jun 22. PMID: 27282275.
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ACS Appl Mater Interfaces. 2016 Jul 06;8(26):16670-6. doi: 10.1021/acsami.6b03528. Epub 2016 Jun 22.

Anodized Ti3SiC2 As an Anode Material for Li-ion Microbatteries.

ACS applied materials & interfaces

Alexander T Tesfaye, Olha Mashtalir, Michael Naguib, Michel W Barsoum, Yury Gogotsi, Thierry Djenizian

Affiliations

  1. Aix-Marseille University , CNRS, MADIREL Laboratory, UMR 7246, 13397 Marseille, France.
  2. FR CNRS 3104, ALISTORE ERI European Res Inst , F-80039 Amiens, France.
  3. Department of Material Science and Engineering and A. J. Drexel Nanomaterials Institute, Drexel University , Philadelphia, Pennsylvania 19104, United States.
  4. Ecole National Supérieure des Mines , Flexible Electronics Department, CMP, 13 541 Gardanne, France.

PMID: 27282275 DOI: 10.1021/acsami.6b03528

Abstract

We report on the synthesis of an anode material for Li-ion batteries by anodization of a common MAX phase, Ti3SiC2, in an aqueous electrolyte containing hydrofluoric acid (HF). The anodization led to the formation of a porous film containing anatase, a small quantity of free carbon, and silica. By varying the anodization parameters, various oxide morphologies were produced. The highest areal capacity was achieved by anodization at 60 V in an aqueous electrolyte containing 0.1 v/v HF for 3 h at room temperature. After 140 cycles performed at multiple applied current densities, an areal capacity of 380 μAh·cm(-2) (200 μA·cm(-2)) has been obtained, making this new material, free of additives and binders, a promising candidate as a negative electrode for Li-ion microbatteries.

Keywords: Li-ion microbatteries; MAX phases; anode; anodization; porous anodized Ti3SiC2

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